Search a number
-
+
28900127516390 = 2513379173655003
BaseRepresentation
bin1101001001000110101011…
…10101011010011011100110
310210022211021120120111100122
412210203111311122123212
512241444430121011030
6141244311342441542
76041652046466444
oct644432565323346
9123284246514318
1028900127516390
119232525616009
1232a90562932b2
131318368bc0180
1471cab8bd7b94
15351b5a6158e5
hex1a48d5d5a6e6

28900127516390 has 64 divisors (see below), whose sum is σ = 57542248120896. Its totient is φ = 10381268178432.

The previous prime is 28900127516321. The next prime is 28900127516437. The reversal of 28900127516390 is 9361572100982.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43794629 + ... + 44449631.

It is an arithmetic number, because the mean of its divisors is an integer number (899097626889).

Almost surely, 228900127516390 is an apocalyptic number.

28900127516390 is a deficient number, since it is larger than the sum of its proper divisors (28642120604506).

28900127516390 is a wasteful number, since it uses less digits than its factorization.

28900127516390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664233.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 28900127516390 in words is "twenty-eight trillion, nine hundred billion, one hundred twenty-seven million, five hundred sixteen thousand, three hundred ninety".

Divisors: 1 2 5 10 13 26 37 65 74 130 185 370 481 962 2405 4810 9173 18346 45865 91730 119249 238498 339401 596245 655003 678802 1192490 1310006 1697005 3275015 3394010 4412213 6550030 8515039 8824426 17030078 22061065 24235111 42575195 44122130 48470222 85150390 121175555 242351110 315056443 630112886 1575282215 3150564430 6008342519 12016685038 30041712595 60083425190 78108452747 156216905494 222308673203 390542263735 444617346406 781084527470 1111543366015 2223086732030 2890012751639 5780025503278 14450063758195 28900127516390